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authorUma Shankar <[email protected]>2021-12-07 12:41:33 +0530
committerUma Shankar <[email protected]>2021-12-07 12:50:30 +0530
commite83c18cffaedb1cd5da935b06d49308f92ea50cb (patch)
tree83dd861e0594180eea27ec5bb6116a78a501ac64
parent5d50c8d7ed59f675d25cf061b5ca67ebfa7b450b (diff)
drm/i915/xelpd: Enable Pipe color support for D13 platform
Enable pipe color support for Display 13 platforms. Currently limit to just 10bit gamma and later extend it for logarithmic gamma, once the new UAPI is agreed by community and implemented by a userspace consumer. v2: Updated dev_priv to i915 (Ville) Signed-off-by: Uma Shankar <[email protected]> Reviewed-by: Ville Syrjälä <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected]
-rw-r--r--drivers/gpu/drm/i915/display/intel_color.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_color.c b/drivers/gpu/drm/i915/display/intel_color.c
index 840f13b75492..42fe549ef6fe 100644
--- a/drivers/gpu/drm/i915/display/intel_color.c
+++ b/drivers/gpu/drm/i915/display/intel_color.c
@@ -1574,6 +1574,8 @@ static int glk_color_check(struct intel_crtc_state *crtc_state)
static u32 icl_gamma_mode(const struct intel_crtc_state *crtc_state)
{
+ struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc);
+ struct drm_i915_private *i915 = to_i915(crtc->base.dev);
u32 gamma_mode = 0;
if (crtc_state->hw.degamma_lut)
@@ -1586,6 +1588,13 @@ static u32 icl_gamma_mode(const struct intel_crtc_state *crtc_state)
if (!crtc_state->hw.gamma_lut ||
crtc_state_is_legacy_gamma(crtc_state))
gamma_mode |= GAMMA_MODE_MODE_8BIT;
+ /*
+ * Enable 10bit gamma for D13
+ * ToDo: Extend to Logarithmic Gamma once the new UAPI
+ * is acccepted and implemented by a userspace consumer
+ */
+ else if (DISPLAY_VER(i915) >= 13)
+ gamma_mode |= GAMMA_MODE_MODE_10BIT;
else
gamma_mode |= GAMMA_MODE_MODE_12BIT_MULTI_SEGMENTED;